555660601155 has 128 divisors (see below), whose sum is σ = 1141545000960. Its totient is φ = 253450321920.

The previous prime is 555660601141. The next prime is 555660601159. The reversal of 555660601155 is 551106066555.

It is not a de Polignac number, because 555660601155 - 2⁶ = 555660601091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 555660601155.

It is not an unprimeable number, because it can be changed into a prime (555660601159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 87268782 + ... + 87275148.

It is an arithmetic number, because the mean of its divisors is an integer number (8918320320).

Almost surely, 2^555660601155 is an apocalyptic number.

555660601155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555660601155 is an abundant number, since it is smaller than the sum of its proper divisors (585884399805).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555660601155 is a wasteful number, since it uses less digits than its factorization.

555660601155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866 (or 9860 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 555660601155 in words is "five hundred fifty-five billion, six hundred sixty million, six hundred one thousand, one hundred fifty-five".